#include <bits/stdc++.h>
#define Nmax 100001
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int a[20][Nmax];
int Log2[Nmax];
int main()
{
    int n,m,i,j,x,y,k;
    f>>n>>m;
    for(i=1;i<=n;i++)
        f>>a[0][i];
    for(i=2;i<=n;i++)
        Log2[i]=Log2[i/2]+1;
    for(i=1;(1<<i)<=n;i++)
        for(j=1;j+(1<<i)<=n+3;j++)
        a[i][j]=min(a[i-1][j],a[i-1][j+(1<<i-1)]);
    for(;m;--m)
    {
        f>>x>>y;
        k=Log2[y-x+1];
        g<<min(a[k][x],a[k][y-(1<<k)+1])<<'\n';
    }

    return 0;
}